2018.2.0

Prep for the February release (#968)

* Bump the version to 2018.2.0
* Update the changelog

2018.1.0

Prep for 2018.1 final (#683)

* Bump version number to final

* Add release date

* Mention the cached interpreter change

0.9.1

Merge branch 'master' into Release-0.9.1

0.9.0

Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Update the TPN (#415)
  0.9.0 release details (#407)